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CTRI Number  CTRI/2023/03/050746 [Registered on: 15/03/2023] Trial Registered Prospectively
Last Modified On: 13/03/2023
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Cold therapy as an additional aid to numb lower teeth with anesthesia in patients undergoing Root Canal Treatment. 
Scientific Title of Study   Cryotherapy as a supplementary aid to Inferior Alveolar Nerve Block in patients with Symptomatic Irreversible Pulpitis: A randomized controlled trial. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Setu Katyal 
Designation  Post Graduate Student 
Affiliation  J.N Kapoor D.A.V (C) Dental College,, Yamunanagar, Haryana. 
Address  Room no 3, Department of Conservative Dentistry and Endodontics, J.N Kapoor D.A.V (C) Dental College, Model Town, Yamunanagar, Haryana. 135001

Yamunanagar
HARYANA
135001
India 
Phone  7006465787  
Fax    
Email  setukatyal94jk@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Poonam Bogra 
Designation  Professor and Head of Department  
Affiliation  J.N Kapoor D.A.V (C) Dental College,, Yamunanagar, Haryana. 
Address  Room no 3, Department of Conservative Dentistry and Endodontics, J.N Kapoor D.A.V (C) Dental College, Model Town, Yamunanagar, Haryana. 135001

Yamunanagar
HARYANA
135001
India 
Phone  9050462962  
Fax    
Email  poonambogra@yahoo.in  
 
Details of Contact Person
Public Query
 
Name  Dr Setu Katyal 
Designation  Post Graduate Student 
Affiliation  J.N Kapoor D.A.V (C) Dental College,, Yamunanagar, Haryana. 
Address  Room no 3, Dept of Conservative Dentistry and Endodontics, J.N Kapoor D.A.V (C) Dental College, Model Town, Yamunanagar, Haryana. 135001

Yamunanagar
HARYANA
135001
India 
Phone  7006465787  
Fax    
Email  setukatyal94jk@gmail.com  
 
Source of Monetary or Material Support  
J.N Kapoor, D.A.V (C) Dental College, Yamunanagar, Haryana. 135001 
 
Primary Sponsor  
Name  Dr Setu Katyal 
Address  Room no 3, Department of Conservative Dentistry and Endodontics, J.N Kapoor D.A.V Dental College, Yamunanagar, Haryana. 135001 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Setu Katyal  J.N Kapoor D.A.V Dental college, Yamunanagar, Haryana.  Room no 3, Dept of Conservative Dentistry and Endodontics, J.N Kapoor D.A.V Dental college, Yamunanagar, Haryana.
Yamunanagar
HARYANA 
7006465787

setukatyal94jk@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Ethical Committee of J.N Kapoor D.A.V (C) Dental college , Yamunanaga  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K040||Pulpitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Inferior Alveolar Nerve Block   Inferior Alveolar Nerve Block with 3.6 ml 2% Lignocaine (1:800000 conc) will be administered according to the technique described by Monheims and after 15 minutes , subjective and objective symptoms will be checked and Root canal treatment will be initiated.  
Comparator Agent  Inferior Alveolar Nerve Block along with Cryotherapy   Inferior Alveolar Nerve Block with 3.6 ml 2% Lignocaine (1:800000 conc) will be administered according to the technique described by Monheims , after 15 minutes subjective and objective symptoms will be checked. Cryotherapy in the form of Endo Frost refrigerant spray will be applied on occlusal lingual and buccal surface of teeth (2 seconds each) and access preparation will be done immediately. The pulp will be exposed and deroofing will be done following which, sterile ice sticks (6 mm diameter and 3 cm length) will be carried with the help of a tweezer and directly placed in the pulp chamber for a period of 4 minutes. Further Root canal treatment will then be completed. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  40.00 Year(s)
Gender  Both 
Details  1.Patients with fully formed root apex.
2.Patients with mandibular molars diagnosed with Symptomatic irreversible pulpitis.
3.Healthy patients without any significant medical disorders.
4.Patients with preoperative pain >54mm on a Heft-Parker visual analogue scale (0-170 mm)
 
 
ExclusionCriteria 
Details  1.Patients allergic to or hypersensitive to local anaesthetics.
2.Patients who took any analgesics or CNS depressants during 12 hours before the treatment.
3.Patients with any systemic diseases, mental disorders, pregnancy or lactation.
4.Patients with any facial paraesthesia or any pathosis on the site of injection
5.Patients with pathologic periodontal pockets during probing.
6.Teeth with fused roots or radiographic evidence of extra root.
7.Patients who refused to give their consent for the study.
8.Patients taking any medication that could interfere with anaesthesia For eg beta blockers or antidepressants.
9.Mandibular molars showed no response to cold test, exhibiting periradicular pathosis, internal or external root resorption or with non vital pulp at access opening
10.Patients who were alcoholic.
11.Patients with unsuccessful soft tissue anaesthesia after adminstaration of IANB
12. Patients with positive response to electric pulp testing (done on maximal output at a gap of 2 minutes 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
To analyze the pain score according to Heft Parker Visual analogue scale (0-170mm) and thus success of Inferior Alveolar Nerve Block with and without Cryotherapy during Root Canal Treatment in patients with Symptomatc Irreversible Pulpitis.  At the time of ongoing procedure 
 
Secondary Outcome  
Outcome  TimePoints 
NIL  NIL 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   20/03/2023 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   None yet 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   Effective pulpal anaesthesia is an important prerequisite for successful endodontic treatment. Inferior alveolar nerve block  is one of the commonly employed techniques for anesthetising mandibular molars. Literature evidence shows the failure rate of IANB to be in the range of 19-56% especially in patients with symptomatic irreversible pulpitis1. In such situations,  Inadequate pulpal anaesthesia may exacerbate the patient’s fear and anxiety and extend treatment time, doubting the skill of the operator . A wide range of additional methods have been employed to improve the anaesthetic efficacy of IANB in symptomatic irreversible pulpitis but of these techniques were successful in producing complete pulpal analgesia required for endodontic treatment. So the search for a more efficient technique for intra operative pain management during endodontic treatment still continues. Cryoanalgesia has been successfully used in the field of medicine for managing both acute and chronic pain Cryotherapy also induces a local anaesthetic effect by lowering the activation threshold of nociceptors and the conduction velocity of pain signals.  In light of the above mentioned statements, the objective of this study is to describe the temporary anaesthetic effect or Cryoanesthesia ensued by the application of cold spray (Endo Frost) along with ice application in pulp chamber and its effectiveness as a supplementary technique for inferior alveolar nerve block in patients diagnosed with symptomatic irreversible pulpitis undergoing root canal treatment. The null hypothesis tested will be that there will be no difference between the Control group (Patients administered Inferior Alveolar Nerve Block with 2% Lignocaine) and the Cryotherapy group (Patients administered with IANB with 2% Lignocaine supplemented with cold spray and ice application). 
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